SOLUS ADVANCED MATERIALS CO., LTD.

A novel organic compound and an organic electroluminescent element using the organic compound are disclosed. The novel organic compound has excellent thermal stability and light-emitting ability. Organic electroluminescent elements containing the organic compound in one or more organic layers has improved properties such as a high light-emitting efficiency, a low driving voltage, and a long lifespan.

Disclosed are a novel organic compound, and an organic electroluminescent element having improved characteristics, such as luminous efficiency, driving voltage, and lifespan, by containing the novel organic compound in one or more organic material layers.

The present invention provides an organic electroluminescent device including an electron-leakage suppression layer and a hole-leakage suppression layer adjusted to have predetermined physical properties, in portions of a hole transporting area and an electron transporting area disposed on opposite sides of a light emitting layer, respectively, thereby reducing leakage of electrons and holes and thus improved in terms of characteristics such as a low driving voltage, high luminous efficiency, and long lifespan.

An organic electroluminescent device is disclosed. The organic electroluminescent device achieves low driving voltage and high luminous efficiency as well as long lifespan by including an exciton confinement layer (ECL), in which a predetermined physical property is adjusted, in an area of an electron transporting area, including at least two layers, that is adjacent to an emissive layer.

An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; an organic layer between the first electrode and the second electrode and including an emission layer; and at least one heterocyclic compound represented by Formula 1: The organic light-emitting device including at least one heterocyclic compound as represented above may have a low driving voltage, high emission efficiency, and improved lifetime characteristics.

The present invention relates to a novel compound having excellent functions, such as electron injection and transport and light emission functions, and an organic electroluminescence device. By using the novel compound in an organic material layer of the organic electroluminescence device, properties of the device such a light emitting efficiency, driving voltage, and life can be improved.

The present disclosure provides an organic electroluminescent device including: an anode; a cathode; and one or more organic material layers interposed between the anode and cathode and selected from the group consisting of a hole injection layer, a hole transporting layer, a light emitting layer, an electron transporting layer, and an electron injection layer, and further including a lifetime enhancement layer (LEL) between the light emitting layer and the electron transporting layer.

The present disclosure provides an organic electroluminescent device including: an anode; a cathode; and one or more organic material layers interposed between the anode and cathode and selected from the group consisting of a hole injection layer, a hole transporting layer, a light emitting layer, an electron transporting layer, and an electron injection layer, and further including a lifetime enhancement layer (LEL) between the light emitting layer and the electron transporting layer.

The present invention relates to a novel organic compound and an organic electroluminescent device using the same and, more specifically, to: an organic compound having excellent heat resistance, carrier transport capability, luminescence capability, electron injection/transport capability, electrochemical stability, and the like; and an organic electroluminescent device which, by including the compound in one or more organic layers, has improved characteristics such as improved luminous efficiency, driving voltage, and lifespan.

An organic electroluminescent device includes an organic functional layer which is provided between a light emitting layer and an electron transport region, and has a refractive index equal to or greater than the refractive index of the corresponding light emitting layer. The organic electroluminescent device simultaneously exhibits high luminous efficiency, low driving voltage, long service life, and the like.